Open Back SL Carbon Arm Cups

Open Back SL Carbon Arm Cups: Lightweight Design for Maximum Performance

The TriRig Open Back SL Carbon Arm Cups are engineered for athletes who demand the perfect balance of lightweight performance and comfort. Part of our SL line, these arm cups offer a customized fit, with a slim, low-profile design that provides direct support with less movement, allowing you to focus on your ride. Weighing in at just 275 grams per set, these carbon fiber scoops are among the lightest and most comfortable on the market.

Designed to increase reach, arm wrap, and surface area, the Open Back SL Carbon Arm Cups deliver superior ergonomic support. They feature additional mounting points and slotted bolt holes to maximize adjustability, making them one of the most versatile cups available. Each set comes with textured neoprene pads, ensuring optimal grip and cushion, so you can stay comfortable even on long rides

The Open Back SL Carbon Arm Cups provide a major ergonomic upgrade for cyclists looking to improve both comfort and performance.

• At 338 grams per set, these cups deliver minimal weight with maximum comfort.
• Ergonomic Support: Increases arm wrap and surface area for a more comfortable ride, ideal for extended use.
• Extended Adjustment Range: Features multiple mounting points and slotted bolt holes to accommodate various setups.
• Textured Neoprene Pads: Provides superior grip and cushioning for enhanced comfort and stability.
• • ⚙️Compatibility: Scoops mount using two fore/aft bolts into matching threaded bosses on your arm-pad bracket/aerobar. Check that your bracket’s hole pattern aligns; both bolts must be used for a safe, stable install. Non-standard patterns may requireWingspan Extenders.
  • Fits most aerobars on the market, including Alpha One/Alpha Prime.
  • Comes with M5 and M6 bolts for easy installation.
  • The Open Back SL Carbon Arm Cups are not recommended for use on the Trek Speed Concept Gen 3 (2022+) due to their narrower hole pattern. Other Scoops variants are compatible with the appropriate hardware kit.